touchpad is not working

[Sota Takase]

After installing ubuntu, touchpad is not working.

ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: linux-image-5.4.0-42-generic 5.4.0-42.46
ProcVersionSignature: Ubuntu 5.4.0-42.46-generic 5.4.44
Uname: Linux 5.4.0-42-generic x86_64
ApportVersion: 2.20.11-0ubuntu27.6
Architecture: amd64
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC0: sota 1247 F.... pulseaudio
CasperMD5CheckResult: skip
CurrentDesktop: ubuntu:GNOME
Date: Thu Aug 20 14:51:40 2020
InstallationDate: Installed on 2020-08-20 (0 days ago)
InstallationMedia: Ubuntu 20.04.1 LTS "Focal Fossa" - Release amd64 (20200731)
Lsusb:
 Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
 Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
 Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
 Bus 001 Device 003: ID 093a:2510 Pixart Imaging, Inc. Optical Mouse
 Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Lsusb-t:
 /: Bus 04.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/2p, 10000M
 /: Bus 03.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/2p, 480M
 /: Bus 02.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/6p, 5000M
 /: Bus 01.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/12p, 480M
     |__ Port 8: Dev 3, If 0, Class=Human Interface Device, Driver=usbhid, 1.5M
MachineType: Apple Inc. MacBookPro14,1
ProcFB: 0 i915drmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-42-generic root=UUID=f4819381-7288-46c8-bd75-b08acef37fce ro quiet splash i8042.notimeout i8042.nomux vt.handoff=7
RelatedPackageVersions:
 linux-restricted-modules-5.4.0-42-generic N/A
 linux-backports-modules-5.4.0-42-generic N/A
 linux-firmware 1.187.2
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 06/16/2020
dmi.bios.vendor: Apple Inc.
dmi.bios.version: 428.0.0.0.0
dmi.board.name: Mac-B4831CEBD52A0C4C
dmi.board.vendor: Apple Inc.
dmi.board.version: MacBookPro14,1
dmi.chassis.type: 9
dmi.chassis.vendor: Apple Inc.
dmi.chassis.version: Mac-B4831CEBD52A0C4C
dmi.modalias: dmi:bvnAppleInc.:bvr428.0.0.0.0:bd06/16/2020:svnAppleInc.:pnMacBookPro14,1:pvr1.0:rvnAppleInc.:rnMac-B4831CEBD52A0C4C:rvrMacBookPro14,1:cvnAppleInc.:ct9:cvrMac-B4831CEBD52A0C4C:
dmi.product.family: MacBook Pro
dmi.product.name: MacBookPro14,1
dmi.product.version: 1.0
dmi.sys.vendor: Apple Inc.

[Ubuntu Kernel Bot (ubuntu-kernel-bot)]

This change was made by a bot.

[Kai-Heng Feng (kaihengfeng)]

Looks like an additional touchpad driver is needed:
https://gist.github.com/roadrunner2/1289542a748d9a104e7baec6a92f9cd7